JPH055733B2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a stacking device for seedling boxes.

(Prior Art) Conventionally, a conveyor having the same width as the width of a seedling box, a motor for driving the conveyor, a cart provided on the terminal end side of the conveyor, a cart lift for moving the cart up and down, and A seedling box stacking device comprising a pusher for supplying seedling boxes from the transport conveyor to the cart is well known.

(Problem to be Solved by the Invention) However, the known seedling box stacking device is not provided with a means for stopping the rotation of the transfer conveyor when the transfer conveyor finishes pushing the seedling boxes onto the cart. , it was necessary to transport a trolley that turned off the power every time.

(Means for Solving the Problem) Therefore, the present invention provides a transport conveyor 16 that is several times wider than the width of the seedling box 4, a motor 51 that drives the transport conveyor 16, and a transport conveyor 16 that is several times wider than the width of the seedling box 4. A notch 30 formed at the center in the width direction from the latter half to the end side 18, a cart 31 that can move in and out of the notch 30, a cart lift 27 that moves the cart 31 up and down, and the above-mentioned for the cart 31. A pushing body that supplies the seedling boxes 4 from the conveyor 16;
The seedling box stacking device includes a switch 45 that detects the completion of loading the seedling boxes 4 onto the cart 31, and the switch 45 and the motor 51 are combined so that the conveyor 16 is stopped by the switch 45. That is.

(Embodiment) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 is a transfer conveyor for sowing that is rotated by a motor 60 (Fig. 2). Supply equipment, irrigation equipment, seeding equipment, etc. will be provided.

A takeover conveyor 3 having a rapid forwarding function and rotated by a motor 61 (FIG. 2) is connected to the terminal end of the conveyor 1 via a connecting portion 2. A lift device 5 is provided at the rear half of the transfer conveyor 3 in the transfer direction.

The lift device 5 moves the seedling boxes 4 fast-forwarded by the transfer conveyor 3 up using vertically rotating chains 6 provided on the left and right sides of the transfer conveyor 3. Attach angles 7 and 7 parallel to the direction. The chain 6 upper rotating shaft 10
and the lower rotating shaft 11, and one end of the upper rotating shaft 10 is connected to the motor 9 via a belt 12.
The rotating shaft 13 is connected to the rotary shaft 13 of the

A switch 8 is provided at the terminal end of the transfer conveyor 3. When the tip of the seedling box 4 transported by the transfer conveyor 3 comes into contact with the switch 8, the switch 8 energizes the motor 9 to rotate the chain 6 via the rotating shaft 13, belt 12, and upper rotating shaft 10. , Chien 6
The seedling box 4 that is engaged with the angles 7, 7 fixed to the is raised.

The reason why the seedling boxes 4 on the transfer conveyor 3 are raised by the lift device 5 is that although the transfer conveyor 3 is at the same height as the transfer conveyor 1 of the seedling box sowing device, the cart 31 on which the seedling boxes 4 are stacked is This is because it is higher than the transfer conveyor 3.

At an upper position of the lift device 5, there is a sensor 14 that is activated when the lifted seedling box 4 rises and collides with it.
and an extrusion device 15 operated by the sensor 14. The extrusion device 15 pushes out the seedling box 4 onto a conveyor 16 provided at the terminal end of the lift device 5.

The conveyor 16 is rotated by a motor 51 (FIG. 2) and conveys the seedling boxes 4 in two rows from the starting end 17 to the ending end 18, and conveys a large number of guide rolls 19 at predetermined intervals. establish. The length of the guide roll 19 of the conveyor 16 is at least four widths of the seedling boxes 4, and the starting end side 17 is provided with a left/right sorting device 20 for the seedling boxes.

The sorting device 20 is connected to the underframe 2 of the conveyor 16.
A rack 22 that is long in the left and right direction provided on one side of 1.
, a movable distribution body 25 provided at the tip of the rack 22, and a pinion 23 that engages with the rack 22.
and a motor 24 having the rack 2.
2 is installed at a higher position than the seedling box 4 so as to straddle the seedling box 4.

26 is a switch for the motor 24, which is provided at a front position in front of the extrusion device 15 (FIG. 1);
When the tip of the seedling box 4 pushed out by the extrusion device 15 comes into contact with the switch 26, the motor 24 is turned on and rotates forward and backward repeatedly, and the seedling box 4 pushed out to the center of the conveyor 16 is turned on. are distributed to the left and right sides of the conveyor 16.

From the latter half of the conveyor 16 to the terminal end 1
8, a U-shaped notch 30 (FIGS. 1 and 4) is provided on both left and right sides, leaving a passage for 4 seedling boxes, and a cart lift 27 is provided in the notch 30.

The passages on both the left and right sides are formed into a right pushing part passage 28 and a left pushing part passage 29, and the rear end of the notch 30 is opened outward (FIG. 4), and the notches 30 are stacked. A trolley 31 is provided so that it can be moved in and out.

32 is a frame of the cart lift 27 (Fig. 2,
Figure 3). The trolley 31 is formed in a size that allows seedling boxes 4, two on the left and right and two on the front and back, to be stacked and stacked on a plane, and is used for budding and greening. Note that the spacing is slightly different for budding and greening.

Rotating shafts 33 and 34 are fixed to the left and right sides of the upper and lower parts of the frame 32, respectively. Sprockets 35 and 36 are fixed to the rotating shafts 33 and 34, respectively, and a chain 37 is fixed to the sprockets 35 and 36. ，
Wind 37. An angle 38 is attached to the chain 37 in the same way as the lift device 5 was attached.

A step motor 39 is provided at the upper part of the starting end side of the frame 32, and a rotation shaft 40 of the step motor 39 is provided.
and the rotating shaft 33 on the right side are connected by a chain 41, and the rotating shaft 40 of the step motor 39 and the rotating shaft 33 on the left side are connected by a chain 41.
3 are connected by a chain 43 via a reversing gear 42.

Below the cart lift 27, the lifting frame 3
A rail 44 of a pulley 43 attached to the truck 31 is provided so that the truck 31 can move in and out of the truck 2. 45 is lowered by the cart 31 and the cart lift 27 to the pulley 43
When it reaches the rail 44, the frame of the trolley 31 hits it and the drive motor 51 (second
This is a switch that stops the

In the right pushing section passage 28 and the left pushing section passage 29, there are a right front pushing body 46, a right rear pushing body 47, a left front pushing body 48, and a left rear pushing body 49 for pushing the seedling box 4 onto the cart 31.
These right front pushing body 46, right rear pushing body 47, left front pushing body 48, and left rear pushing body 49 each have two fork-shaped pushing parts 50 in their action parts. The structure is such that the seedling box 4 is placed on the upper surface of the pushing part 50 and guided onto the cart 31.

These are connected in relation to the motor 39, and when four seedling boxes 4 are supplied to the trolley 31, it is counted, and the motor 39 rotates at a certain angle to lower the trolley 31 by one step, and the seedling boxes are 4 can be stacked one after another.

That is, the right pushing section passage 28 and the left pushing section passage 2
The part 9 is formed in a width such that the seedling boxes 4 distributed to the left and right sides by the seedling box left-right sorting device 20 are fed one by one, and the preceding seedling boxes 4 distributed to the right side are sent through the right push-in passage 28. The preceding seedling boxes 4 proceed along the side, hit an arbitrary stopper, stop, are pushed into the cart 31 by the right rear pusher 47, and are then sorted to the left side, proceed to the left pusher passage 29 side, and come to an arbitrary stopper. It hits and stops, and is pushed into the truck 31 by the left rear pushing body 49.

Next, when the succeeding seedling box 4 sorted to the right side advances through the right push section passage 28, the preceding seedling box 4 is detected by the switch 62 (Fig. 2) and the air cylinder 52 is activated (Fig. 5, Fig. 5). 6), the stopper 54 is rotated from the horizontal position to the vertical position via the link mechanism 53 to prevent the subsequent seedling box 4 from moving, and is pushed into the cart 31 by the right front pusher 46.

Next, when the seedling boxes 4 sorted to the left side advance to the left pushing section passage 29 side, they are stopped by the stopper 55 which operates in the same way, and are pushed into the cart 31 by the left front pushing body 48, and in this way, one seedling box 4 is each A total of four seedling boxes 4 are placed on the cart 3.
1, the motor 39 operates to move the trolley 31
is lowered by one level of the seedling boxes 4 so that the seedling boxes 4 can be stacked.

5 and 6, 56 is a case of the right front pusher 46, 57 is a support arm fixed to the upper surface of the case 56, and extends in the direction of the notch 30.
A vertical cylinder 58 is attached to its tip,
A stopper 59 is provided at the lower end of the cylinder 58.

When the stopper 59 moves downward, it prevents the seedling boxes 4 stacked on the cart 31 from returning.

In addition, 62 is a switch that is activated when the right rear pusher 47 returns, 63 is a switch that is activated when the right front pusher 46 is returned, 64 is a switch that is activated when the left rear pusher 49 is returned, and 65 is a switch that is activated when the left front pusher 48 is returned. 66 is a motor for each pushing body; 67 is a switch that is activated when it returns;
is the same pinion, and 68 is the same rack.

Although not shown, the sorting device 2
0 has a special structure that works by pushing, and conveyor 1
It may be provided on both the left and right sides of 6.

(effect) Next, we will discuss the effect.

A seedling box 4 is placed on a transfer conveyor 1 which is rotated by a motor 60.
Once supplied, soil is supplied, watered, and sown by the conveyor 1, and transferred to the takeover conveyor 3, which is rapidly traversed by a motor 61. The conveyor 3 advances over the angles 7, 7, and presses the switch 8 at its front end.

Then, the motor 9 is turned on, rotates the chain 6, carries the seedling box 4 upward by the angles 7, and presses the sensor 14.

When sensor 14 is pressed, motor 9 stops,
The extrusion device 15 acts to transfer the seedling box 4 to the conveyor 1.
Extrude onto the center top surface of 6. Then, the tip of the seedling box 4 comes into contact with the switch 26, and the left/right sorting device 20 is activated.

When the switch 26 is pressed, the motor 24 of the sorting device 20 initially rotates in the normal direction, and the pinion 23
As a result, the rack 22 is moved backward and the movable sorting body 25 fixed to the tip of the rack 22 is moved to the left, so that the seedling box 4 is moved to the left side of the conveyor 16 as shown in FIG.

When the next seedling box 4 is pushed out to the center upper surface of the conveyor 16 by the action of the pushing device 15 and the tip of the seedling box 4 comes into contact with the switch 26, the motor 24 of the sorting device 20 is reversed and the pinion 23 easily removes the seedling box 4. 22 is moved forward, and the movable sorting body 25 fixed to the tip of the rack 22 is moved to the right.
The seedling box 4 is pushed and moved to the right side of the conveyor 16 and distributed to the left and right sides.

Thus, the seedling boxes 4 sorted to the right side advance toward the right push-in passage 28 by the guide roll 19 rotated by the drive motor 51. In this case, stopper 5
4 is moving upward, so pass under it,
At the end, it collides with an arbitrary stopper and stops, rotates the pinion 67 of the motor 66 of the right rear pushing body 47, moves the rack 68 that meshes with the pinion 67, and uses the fork-shaped pushing part 50 at its tip to push the pushing part. The seedling box 4 placed on the top 50 is pushed onto the cart 31.

When the pushing of the right rear pushing body 47 is completed, air is sent to the cylinder 58 and the stopper 59 moves downward.
Since the stopper 59 prevents the seedling box 4 from returning, when the motor 66 is reversed to return the fork-shaped pushing part 50, the seedling box 4 remains on the cart 31 and is smoothly stacked.

When the fork-shaped push-in part 50 returns to its original position, it presses the switch 62, which sends air to the air cylinder 52, which lowers the stopper 54 via the link mechanism 53 to prevent the seedling box 4 from moving forward. do.

Next, the preceding seedling box 4 sorted to the left side advances to the left pushing section passage 29 side and, through the same operation, is pushed into the cart 31 by the left rear pushing body 49, and the stopper 55 is moved down.

Next, when the succeeding seedling box 4 distributed to the right side advances to the right pushing part passage 28 side, the stopper 54 is moving downward, so it is stopped halfway, and the motor 66 of the right front pushing body 46 is energized, and the right front pushing part 46 is energized and It is pushed into the carriage 31 by the pushing body 46, and when the right front pushing body 46 returns to its original position and presses the switch 63, the stopper 54 is moved upward.

Next, the succeeding seedling box 4 sorted to the left side advances to the left pushing section passage 29 side, is stopped by the stopper 55, is pushed into the cart 31 by the left front pushing body 48, and when the left front pushing body 48 returns to its original position, the stopper 5 is moved by the switch 65.
Move 5 up.

In this way, the seedling boxes 4 are placed on the cart one after another, and when a total of four seedling boxes 4 are placed on the cart 31, it is counted and the motor 39 is activated to move the cart 31 to the seedling box 4.
The seedling boxes 4 are stacked one after another by lowering the container by one level.

When the trolley 31 is lowered to the take-out position, the switch 45 is pressed by the trolley 31 and the motor 51 is
and stop the rotation of the guide roll 19,
During this time, the cart 31 is carried out.

(Effects) Conventionally, a conveyor having the same width as the seedling box, a motor for driving the conveyor, a cart provided on the terminal end side of the conveyor, a cart lift for moving the cart up and down, and a motor for driving the conveyor, a cart for moving the cart up and down, and 2. Description of the Related Art A seedling box stacking device comprising a pusher for supplying seedling boxes from the transport conveyor to a cart is well known. However, the known seedling box stacking device does not have a means to stop the rotation of the transfer conveyor when the transfer conveyor finishes pushing the seedling boxes onto the cart, so it is necessary to turn off the power each time the cart is transported. The need arose.

However, the present invention provides a conveyor 16 that is several times wider than the width of the seedling box 4, and a conveyor 16 that is several times wider than the width of the seedling box 4.
a motor 51 that drives the conveyor 16;
A notch 30 formed at the center in the width direction from the latter half of conveyance to the terminal end 18, a trolley 31 that can move in and out of the notch 30, a trolley lift 27 that moves the trolley 31 up and down, and a trolley 31. It consists of a pushing body that feeds the seedling boxes 4 from the transport conveyor 16, and a switch 45 that detects the completion of loading the seedling boxes 4 onto the cart 31, so that the transport conveyor 16 is stopped by the switch 45. Since the switch 45 and the motor 51 are combined to form a seedling box stacking device, the conveyor 1 is several times wider than the width of the seedling boxes 4.
6, and a motor 51 that drives the conveyor 16.
and a notch 3 formed at the center in the width direction from the latter half of the conveyance to the terminal end side 18 of the conveyor 16.
0, and a cart 31 that can freely move in and out of the notch 30.
Since a cart lift 27 for moving the cart 31 up and down and a pusher for feeding the seedling boxes 4 from the transport conveyor 16 to the cart 31 are provided, the seedling boxes 4 are fed from the transport conveyor 16 to the cart 31. In this case, unlike the conventional case, both sides are supplied, which is efficient.

A switch 45 is provided to detect the completion of loading the seedling boxes 4 onto the cart 31, and the switch 45 is configured to stop the transport conveyor 16.
5 and the motor 51 are combined, the conveyor 16 automatically stops at the same time as the loading of the seedling boxes 4 onto the trolley 31 is completed, making it easier to transport the trolley 31. .

This effect is achieved.

[Brief explanation of drawings]

Fig. 1 is a plan view of the whole, Fig. 2 is a side view of the same, Fig. 3 is a diagram of the cart being moved upward, Fig. 4 is a perspective view showing the overall operation, and Fig. 5 is a cross section taken along line A-A. Figure, 6th
5 is a plan view of FIG. 5, FIG. 7 is a sequence diagram of the operation of pushing out the seedling box, FIG. 8 is a sequence diagram of the operation of pushing out the seedling box and the stopper operation, and FIGS. 9 and 10 are flowcharts. Explanation of symbols, 1...Sowing conveyor, 2...Connection section, 3...Takeover conveyor, 4...Seedling box, 5...
Lift device, 6... Chain, 7... Angle, 8
...Switch, 9...Motor, 10...Upper rotating shaft, 11...Lower rotating shaft, 12...Belt, 13
... Rotating shaft, 14 ... Sensor, 15 ... Extrusion device, 16 ... Conveyor conveyor, 17 ... Starting end side, 1
8... End side, 19... Guide roll, 20... Left and right sorting device, 21... Underframe, 22... Rack, 2
3... Pinion, 24... Motor, 25... Moving sorting body, 26... Switch, 27... Lift, 2
8...Right push part passage, 29...Left push part passage, 3
0...Notch, 31...Dolly, 32...Frame, 3
3, 34... Rotating shaft, 35, 36... Sprocket, 37... Chain, 38... Angle, 39...
...Motor, 40...Rotating shaft, 41...Chain, 4
2...Reverse gear, 43...Chain, 44...Rail, 45...Switch, 46...Right front pusher,
47... Right rear pushing body, 48... Left front pushing body, 49
... Left rear pushing body, 50 ... Fork, 51 ... Drive motor, 52 ... Air cylinder, 53 ... Link mechanism, 54 ... Stopper, 55 ... Stopper,
56... Case, 57... Support arm, 58... Cylinder, 59... Stopper, 60... Transfer conveyor 1
Motor, 61...Motor of transfer conveyor 3, 6
2... Switch of right rear pushing body 47, 63... Switch of right front pushing body 46, 64... Left rear pushing body 49
65...Switch for the left front pushing body 48, 66...Motor for each pushing body, 67...The same pinion, 68...The same rack.

Claims (1)

[Claims] 1 A conveyor 16 that is several times wider than the width of the seedling box 4 and a motor 5 that drives the conveyor 16
1, a notch 30 formed at the center in the width direction from the latter half of the conveyance to the terminal end 18 of the conveyor 16, and a cart 31 that can move in and out of the notch 30.
, a cart lift 27 that moves the cart 31 up and down, a pusher that supplies the seedling boxes 4 from the transport conveyor 16 to the cart 31, and a switch that detects the completion of loading the seedling boxes 4 onto the cart 31. 45, and the switch 45 causes the conveyor 1 to
A seedling box stacking device in which the switch 45 and the motor 51 are combined so that the switch 45 and the motor 51 are stopped.